Home / 331,882.60-497,766.30-121,412.20

Finding the Fourth Proportional to 331,882.60, 497,766.30 and 121,412.20

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Solution

The fourth proportional to 331,882.60, 497,766.30 and 121,412.20 is: 182,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,882.60 : 497,766.30 = 121,412.20 : x
  2. Step 2: Convert to fraction form
    331,882.60/497,766.30 = 121,412.20/x
  3. Step 3: Cross multiply
    331,882.60x = 497,766.30 × 121,412.20
  4. Step 4: Simplify right side
    331,882.60x = 60,434,901,568.86
  5. Step 5: Solve for x
    x = 60,434,901,568.86/331,882.60
  6. Step 6: Final answer
    x = 182,097.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.